A difficult tedious bug. . .

The attached pipeline fails in Calabash without the three 

  <p:output port="result" sequence="true"/>

lines on the three branches of the p:choose in the ts:runTestGroup
step.  But these should not be necessary, should they?  All three
branches end with steps which are known to produce sequences.

I have tried and failed to reproduce this with a simpler pipeline :-(

Just for the record -- will try again when the Saxon 9.2 version of
Calabash is released.

ht

-- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
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